Hi PG
Lets have a look at your mod list.
See my tutorial post #9 if you do not know how to do this.
http://www.subsim.com/radioroom/showthread.php?t=211804
I think there is a logical answer to your problem.
What you are describing is in TDW's NewUIs 7-4-2 and 7-5-0 interfaces.
Dials button is in the periscope station.
The default can be changed in TDW's Option File Editor Viewer using the TDC tab.
Peter